18962990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{337}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 36357984

約数和(自身を除く): 17394994

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 331, 337, 662, 674, 1655, 1685, 3310, 3370, 5627, 5729, 11254, 11458, 28135, 28645, 56270, 57290, 111547, 223094, 557735, 1115470, 1896299, 3792598, 9481495, 18962990]

約数ペア:

[(1, 18962990), (2, 9481495), (5, 3792598), (10, 1896299), (17, 1115470), (34, 557735), (85, 223094), (170, 111547), (331, 57290), (337, 56270), (662, 28645), (674, 28135), (1655, 11458), (1685, 11254), (3310, 5729), (3370, 5627)]